About raullette

raullette · 2017-01-18

Posted on January 19, 2017 at 08:47Hi,I'm developing a customized SPI Bootloader code. I plan to use CRC32 in verifying the programmed application code. I used this link as a reference for my CRC32 calculator C-code function in the Bootloader:https:...

raullette · 2016-10-27

Posted on October 27, 2016 at 09:45Hi, I've read a ton of forum posts here regarding hard fault error encountered when jumping from custom BL to App. But, in my case, it's working fine the first time I did the jump to App. But, when I jump back to B...

raullette · 2017-02-17

Posted on February 17, 2017 at 09:41Hi,Can somebody explain what this line means?''The USART2 uses its remapped pins.''I'm using STM32L151CCU6 which doesn't have PD6/7. The bootloader isn't ack'ing when PA2/PA3 is used. Shouldn't the PA2/PA3 be the ...

raullette · 2016-10-27

Posted on October 27, 2016 at 10:31As a workaround, I'm just issuing a System Reset when I want to jump from Application to Bootloader and it solved the problem. On the other hand, I still use the Jump function when I want to jump from Bootloader to...

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How to compute for the same CRC32 that the ST-LINK utility tool is calculating?

Hard Fault Error when jumping from Custom Bootloader to FreeRTOS Appcode for the 2nd time

Re: What USARTs can be used for boot on 64-pin STM32F401RCT6 / STM32F401xB(C)

Re: Hard Fault Error when jumping from Custom Bootloader to FreeRTOS Appcode for the 2nd time